66 | Using the | Probability and Statistics |
6.Combine the class data by either combining the individual foot lengths and finding the mean or by averaging the individual means. (It may be beneficial for students to do it both ways so students can see if the same answer comes up both ways).
7.Now enter the combined data into a list (L2), and then find the mean.
a.Display the List editor.
3
b.If necessary, clear L2.
$ to highlight L2
: b
c.Starting from the first line in L2, enter each length. (You’ll get an error if L2 is still highlighted.) Remember to press b after each entry.
d.Find the mean of the data in L2.
(1)Return to the Home screen.
-l
(2)Access the - v MATH menu and select mean.
-v " " [ (pastes mean( to the Home screen)
(3)Calculate the mean.
-v Z (selects L2)
E b
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